Pneumatic tire



FIG. 1 is a front elevational view of my new tread design;

FIG. 2 is a front perspective view of FIG. 1;

FIG. 3. is a side elevational view of FIG. 1, it being understood that the opposite side is identical; and,

FIG. 4 is an enlargement of a fragment of the front view of FIG. 1. 

The ornamental design for a pneumatic tire, as shown and described. 